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Diffstat (limited to 'src/farmesh.cpp')
| -rw-r--r-- | src/farmesh.cpp | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/src/farmesh.cpp b/src/farmesh.cpp deleted file mode 100644 index 93c50e5d0..000000000 --- a/src/farmesh.cpp +++ /dev/null @@ -1,416 +0,0 @@ -/* -Part of Minetest -Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU Lesser General Public License as published by -the Free Software Foundation; either version 2.1 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU Lesser General Public License for more details. - -You should have received a copy of the GNU Lesser General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -/* - A quick messy implementation of terrain rendering for a long - distance according to map seed -*/ - -#include "farmesh.h" - -#include "constants.h" -#include "debug.h" -#include "noise.h" -#include "map.h" -#include "client.h" -#include "tile.h" // ITextureSource -#include "clientmap.h" - -#include "mapgen.h" // Shouldn't really be done this way - -FarMesh::FarMesh( - scene::ISceneNode* parent, - scene::ISceneManager* mgr, - s32 id, - u64 seed, - Client *client -): - scene::ISceneNode(parent, mgr, id), - m_seed(seed), - m_camera_pos(0,0), - m_time(0), - m_client(client), - m_render_range(20*MAP_BLOCKSIZE) -{ - dstream<<__FUNCTION_NAME<<std::endl; - - //video::IVideoDriver* driver = mgr->getVideoDriver(); - - m_materials[0].setFlag(video::EMF_LIGHTING, false); - m_materials[0].setFlag(video::EMF_BACK_FACE_CULLING, true); - //m_materials[0].setFlag(video::EMF_BACK_FACE_CULLING, false); - m_materials[0].setFlag(video::EMF_BILINEAR_FILTER, false); - m_materials[0].setFlag(video::EMF_FOG_ENABLE, false); - //m_materials[0].setFlag(video::EMF_ANTI_ALIASING, true); - //m_materials[0].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; - m_materials[0].setFlag(video::EMF_FOG_ENABLE, true); - - m_materials[1].setFlag(video::EMF_LIGHTING, false); - m_materials[1].setFlag(video::EMF_BACK_FACE_CULLING, false); - m_materials[1].setFlag(video::EMF_BILINEAR_FILTER, false); - m_materials[1].setFlag(video::EMF_FOG_ENABLE, false); - m_materials[1].setTexture(0, client->tsrc()->getTexture("treeprop.png")); - m_materials[1].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; - m_materials[1].setFlag(video::EMF_FOG_ENABLE, true); - - m_box = core::aabbox3d<f32>(-BS*1000000,-BS*31000,-BS*1000000, - BS*1000000,BS*31000,BS*1000000); - -} - -FarMesh::~FarMesh() -{ - dstream<<__FUNCTION_NAME<<std::endl; -} - -u32 FarMesh::getMaterialCount() const -{ - return FARMESH_MATERIAL_COUNT; -} - -video::SMaterial& FarMesh::getMaterial(u32 i) -{ - return m_materials[i]; -} - - -void FarMesh::OnRegisterSceneNode() -{ - if(IsVisible) - { - //SceneManager->registerNodeForRendering(this, scene::ESNRP_TRANSPARENT); - SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID); - //SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX); - } - - ISceneNode::OnRegisterSceneNode(); -} - -#define MYROUND(x) (x > 0.0 ? (int)x : (int)x - 1) - -// Temporary hack -struct HeightPoint -{ - float gh; // ground height - float ma; // mud amount - float have_sand; - float tree_amount; -}; -std::map<v2s16, HeightPoint> g_heights; - -HeightPoint ground_height(u64 seed, v2s16 p2d) -{ - std::map<v2s16, HeightPoint>::iterator n = g_heights.find(p2d); - if(n != g_heights.end()) - return n->second; - HeightPoint hp; - s16 level = Mapgen::find_ground_level_from_noise(seed, p2d, 3); - hp.gh = (level-4)*BS; - hp.ma = (4)*BS; - /*hp.gh = BS*base_rock_level_2d(seed, p2d); - hp.ma = BS*get_mud_add_amount(seed, p2d);*/ - hp.have_sand = Mapgen::get_have_beach(seed, p2d); - if(hp.gh > BS*WATER_LEVEL) - hp.tree_amount = Mapgen::tree_amount_2d(seed, p2d); - else - hp.tree_amount = 0; - // No mud has been added if mud amount is less than 1 - if(hp.ma < 1.0*BS) - hp.ma = 0.0; - //hp.gh -= BS*3; // Lower a bit so that it is not that much in the way - g_heights[p2d] = hp; - return hp; -} - -void FarMesh::render() -{ - video::IVideoDriver* driver = SceneManager->getVideoDriver(); - - /*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT) - return;*/ - if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID) - return; - /*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SKY_BOX) - return;*/ - - driver->setTransform(video::ETS_WORLD, AbsoluteTransformation); - - //const s16 grid_radius_i = 12; - //const float grid_size = BS*50; - const s16 grid_radius_i = m_render_range/MAP_BLOCKSIZE; - const float grid_size = BS*MAP_BLOCKSIZE; - const v2f grid_speed(-BS*0, 0); - - // Position of grid noise origin in world coordinates - v2f world_grid_origin_pos_f(0,0); - // Position of grid noise origin from the camera - v2f grid_origin_from_camera_f = world_grid_origin_pos_f - m_camera_pos; - // The center point of drawing in the noise - v2f center_of_drawing_in_noise_f = -grid_origin_from_camera_f; - // The integer center point of drawing in the noise - v2s16 center_of_drawing_in_noise_i( - MYROUND(center_of_drawing_in_noise_f.X / grid_size), - MYROUND(center_of_drawing_in_noise_f.Y / grid_size) - ); - // The world position of the integer center point of drawing in the noise - v2f world_center_of_drawing_in_noise_f = v2f( - center_of_drawing_in_noise_i.X * grid_size, - center_of_drawing_in_noise_i.Y * grid_size - ) + world_grid_origin_pos_f; - - for(s16 zi=-grid_radius_i; zi<grid_radius_i; zi++) - for(s16 xi=-grid_radius_i; xi<grid_radius_i; xi++) - { - /*// Don't draw very close to player - s16 dd = 3; - if(zi > -dd && zi < dd && xi > -dd && xi < dd) - continue;*/ - - v2s16 p_in_noise_i( - xi+center_of_drawing_in_noise_i.X, - zi+center_of_drawing_in_noise_i.Y - ); - - // If sector was drawn, don't draw it this way - if(m_client->m_env.getClientMap().sectorWasDrawn(p_in_noise_i)) - continue; - - /*if((p_in_noise_i.X + p_in_noise_i.Y)%2==0) - continue;*/ - /*if((p_in_noise_i.X/2 + p_in_noise_i.Y/2)%2==0) - continue;*/ - - v2f p0 = v2f(xi,zi)*grid_size + world_center_of_drawing_in_noise_f; - - /*double noise[4]; - double d = 100*BS; - noise[0] = d*noise2d_perlin( - (float)(p_in_noise_i.X+0)*grid_size/BS/100, - (float)(p_in_noise_i.Y+0)*grid_size/BS/100, - m_seed, 3, 0.5); - - noise[1] = d*noise2d_perlin( - (float)(p_in_noise_i.X+0)*grid_size/BS/100, - (float)(p_in_noise_i.Y+1)*grid_size/BS/100, - m_seed, 3, 0.5); - - noise[2] = d*noise2d_perlin( - (float)(p_in_noise_i.X+1)*grid_size/BS/100, - (float)(p_in_noise_i.Y+1)*grid_size/BS/100, - m_seed, 3, 0.5); - - noise[3] = d*noise2d_perlin( - (float)(p_in_noise_i.X+1)*grid_size/BS/100, - (float)(p_in_noise_i.Y+0)*grid_size/BS/100, - m_seed, 3, 0.5);*/ - - HeightPoint hps[5]; - hps[0] = ground_height(m_seed, v2s16( - (p_in_noise_i.X+0)*grid_size/BS, - (p_in_noise_i.Y+0)*grid_size/BS)); - hps[1] = ground_height(m_seed, v2s16( - (p_in_noise_i.X+0)*grid_size/BS, - (p_in_noise_i.Y+1)*grid_size/BS)); - hps[2] = ground_height(m_seed, v2s16( - (p_in_noise_i.X+1)*grid_size/BS, - (p_in_noise_i.Y+1)*grid_size/BS)); - hps[3] = ground_height(m_seed, v2s16( - (p_in_noise_i.X+1)*grid_size/BS, - (p_in_noise_i.Y+0)*grid_size/BS)); - v2s16 centerpoint( - (p_in_noise_i.X+0)*grid_size/BS+MAP_BLOCKSIZE/2, - (p_in_noise_i.Y+0)*grid_size/BS+MAP_BLOCKSIZE/2); - hps[4] = ground_height(m_seed, centerpoint); - - float noise[5]; - float h_min = BS*65535; - float h_max = -BS*65536; - float ma_avg = 0; - float h_avg = 0; - u32 have_sand_count = 0; - float tree_amount_avg = 0; - for(u32 i=0; i<5; i++) - { - noise[i] = hps[i].gh + hps[i].ma; - if(noise[i] < h_min) - h_min = noise[i]; - if(noise[i] > h_max) - h_max = noise[i]; - ma_avg += hps[i].ma; - h_avg += noise[i]; - if(hps[i].have_sand) - have_sand_count++; - tree_amount_avg += hps[i].tree_amount; - } - ma_avg /= 5.0; - h_avg /= 5.0; - tree_amount_avg /= 5.0; - - float steepness = (h_max - h_min)/grid_size; - - float light_f = noise[0]+noise[1]-noise[2]-noise[3]; - light_f /= 100; - if(light_f < -1.0) light_f = -1.0; - if(light_f > 1.0) light_f = 1.0; - //light_f += 1.0; - //light_f /= 2.0; - - v2f p1 = p0 + v2f(1,1)*grid_size; - - bool ground_is_sand = false; - bool ground_is_rock = false; - bool ground_is_mud = false; - video::SColor c; - // Detect water - if(h_avg < WATER_LEVEL*BS && h_max < (WATER_LEVEL+5)*BS) - { - //c = video::SColor(255,59,86,146); - //c = video::SColor(255,82,120,204); - c = video::SColor(255,74,105,170); - - /*// Set to water level - for(u32 i=0; i<4; i++) - { - if(noise[i] < BS*WATER_LEVEL) - noise[i] = BS*WATER_LEVEL; - }*/ - light_f = 0; - } - // Steep cliffs - else if(steepness > 2.0) - { - c = video::SColor(255,128,128,128); - ground_is_rock = true; - } - // Basic ground - else - { - if(ma_avg < 2.0*BS) - { - c = video::SColor(255,128,128,128); - ground_is_rock = true; - } - else - { - if(h_avg <= 2.5*BS && have_sand_count >= 2) - { - c = video::SColor(255,210,194,156); - ground_is_sand = true; - } - else - { - /*// Trees if there are over 0.01 trees per MapNode - if(tree_amount_avg > 0.01) - c = video::SColor(255,50,128,50); - else - c = video::SColor(255,107,134,51);*/ - c = video::SColor(255,107,134,51); - ground_is_mud = true; - } - } - } - - // Set to water level - for(u32 i=0; i<4; i++) - { - if(noise[i] < BS*WATER_LEVEL) - noise[i] = BS*WATER_LEVEL; - } - - float b = m_brightness + light_f*0.1*m_brightness; - if(b < 0) b = 0; - if(b > 2) b = 2; - - c = video::SColor(255, b*c.getRed(), b*c.getGreen(), b*c.getBlue()); - - driver->setMaterial(m_materials[0]); - - video::S3DVertex vertices[4] = - { - video::S3DVertex(p0.X,noise[0],p0.Y, 0,0,0, c, 0,1), - video::S3DVertex(p0.X,noise[1],p1.Y, 0,0,0, c, 1,1), - video::S3DVertex(p1.X,noise[2],p1.Y, 0,0,0, c, 1,0), - video::S3DVertex(p1.X,noise[3],p0.Y, 0,0,0, c, 0,0), - }; - u16 indices[] = {0,1,2,2,3,0}; - driver->drawVertexPrimitiveList(vertices, 4, indices, 2, - video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT); - - // Add some trees if appropriate - if(tree_amount_avg >= 0.0065 && steepness < 1.4 - && ground_is_mud == true) - { - driver->setMaterial(m_materials[1]); - - float b = m_brightness; - c = video::SColor(255, b*255, b*255, b*255); - - { - video::S3DVertex vertices[4] = - { - video::S3DVertex(p0.X,noise[0],p0.Y, - 0,0,0, c, 0,1), - video::S3DVertex(p0.X,noise[0]+BS*MAP_BLOCKSIZE,p0.Y, - 0,0,0, c, 0,0), - video::S3DVertex(p1.X,noise[2]+BS*MAP_BLOCKSIZE,p1.Y, - 0,0,0, c, 1,0), - video::S3DVertex(p1.X,noise[2],p1.Y, - 0,0,0, c, 1,1), - }; - u16 indices[] = {0,1,2,2,3,0}; - driver->drawVertexPrimitiveList(vertices, 4, indices, 2, - video::EVT_STANDARD, scene::EPT_TRIANGLES, - video::EIT_16BIT); - } - { - video::S3DVertex vertices[4] = - { - video::S3DVertex(p1.X,noise[3],p0.Y, - 0,0,0, c, 0,1), - video::S3DVertex(p1.X,noise[3]+BS*MAP_BLOCKSIZE,p0.Y, - 0,0,0, c, 0,0), - video::S3DVertex(p0.X,noise[1]+BS*MAP_BLOCKSIZE,p1.Y, - 0,0,0, c, 1,0), - video::S3DVertex(p0.X,noise[1],p1.Y, - 0,0,0, c, 1,1), - }; - u16 indices[] = {0,1,2,2,3,0}; - driver->drawVertexPrimitiveList(vertices, 4, indices, 2, - video::EVT_STANDARD, scene::EPT_TRIANGLES, - video::EIT_16BIT); - } - } - } - - //driver->clearZBuffer(); -} - -void FarMesh::step(float dtime) -{ - m_time += dtime; -} - -void FarMesh::update(v2f camera_p, float brightness, s16 render_range) -{ - m_camera_pos = camera_p; - m_brightness = brightness; - m_render_range = render_range; -} - - |